MAPS
  University of Delaware Subject Guides

Internet Resources for Cartographic Information, Maps, and Spatial Data



Map Libraries

Map libraries have organized Internet resources for ease of use, including bibliographies, digitized maps, aerial photographs, elevation models, and remote sensing images. Some libraries make local data available through their home pages, so it is worth checking several library sites for information.

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Interactive Mapping

There are many online services which allow the creation of maps. For this page, “Interactive Mapping” includes sites which allow maps to be displayed or generated from the most current information. While every map is a snapshot reflecting conditions at a particular time, this page links to maps which may be more current than those in the Digitized Maps section.

Most interactive maps are for the United States and Canada due to liberal copyright rules, but such services are available for other countries as well. For countries other than the ones listed below, browse in the Map Libraries, above, some of which include lists of Interactive Mapping Sites.

Worldwide coverage

Europe

North America

Canada

México

United States of America

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Geographic Information Systems (GIS)

More GIS-related sites may be found among the Map Libraries links, above.

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Digitized Maps

Some online maps are digitized from paper originals while others were “born digital.” The maps listed below represent snapshots in time and space and may not be as current as the Interactive Mapping sites listed above.

Selected digitized maps. For more comprehensive listings, explore online Map Libraries.

Climate Change Maps | General Maps | Historical Maps | Military Maps

Climate Change Maps

University of Delaware Library Resources for Climate Change offers additional resources. The sites below offer a sampling of climate change maps.

General Maps

Historical Maps

Military Maps

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Online Gazetteers

Place names may be found more readily using online gazetteers.

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Online Dictionaries, Glossaries, and Other Tools

Selected online versions of a variety of handy tools for users of charts, maps, and spatial information.

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Online Bibliographies and Journals

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Remote Sensing Images

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Professional Organizations and Institutes

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Commercial Vendors, Publishers, and United States Mapping Agencies

The following vendors and publishers make map and map-related information available at World Wide Web sites. Listing of these vendors does not imply endorsement of their products and services by the University of Delaware.

Commercial Vendors and Publishers | Antique, Historical and Reproduction Maps | United States Mapping Agencies

Commercial Vendors and Publishers

Antique, Historical and Reproduction Maps

United States Government Mapping Agencies

The United States federal government is possibly the world’s largest publisher, producing hundreds of new maps each year. Many titles are included in the Catalog of U.S. Government Publications. Maps also appear on agency websites.

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This page is maintained John A. Stevenson, Acquisitions Department.

Last modified: 04/21/09